19497566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6469}}^1$

素因数の和:6619

約数の個数: 16

約数和(自身を含む): 32142960

約数和(自身を除く): 12645394

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6469, 12938, 71159, 142318, 886253, 1772506, 9748783, 19497566]

約数ペア:

[(1, 19497566), (2, 9748783), (11, 1772506), (22, 886253), (137, 142318), (274, 71159), (1507, 12938), (3014, 6469)]